Lecture Series --The New Madrid Earthquakes Two Hundred Years Later: What Have W
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One of the basic assumptions of plate tectonics is that the major plates are rigid and that most of the earthquakes on our planet occur at the boundaries between rigid plates. The New Madrid seismic zone (NMSZ), located in the heart of the North American continent (over 2,000 km away from the nearest plate boundary), is a notorious exception to this behavior that has generated large magnitude earthquakes (M>7.0), including a series of earthquakes in 1811-1812. Scientists are currently debating whether the series of catastrophic earthquakes that have been occurring approximately every 500 years in this region will continue to occur.
Dr. Magnani will discuss the existing data, proposed models, and the implications for seismic hazard in the central U.S. The lecture will also present the results of a new study along the Mississippi River suggesting that the NMSZ is not the only fault system that has been active in this region.
M. Beatrice Magnani is a seismologist working on the formation and evolution of continents. Dr. Magnani received a Ph.D. in 2000 from the University of Perugia, in Italy, worked at Rice University, and joined the faculty of the Center for Earthquake Research and Information (CERI) at the University of Memphis in 2006. In 2007 she began studying the New Madrid seismic zone in the central U.S. and, with colleagues, has designed a way to map faults hidden beneath the Mississippi River.
New Mexico Museum of Natural History & Science (View)
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